Amino Acids & Protein
Protein powders, amino acids, and related sports and nutrition products.
5,421 on-market products · include off-market
Amino acid and protein supplements supply the building blocks of muscle and many body proteins, widely used to support exercise, recovery, and daily protein intake. This category collects dietary supplement labels classified as amino acid or protein products in the NIH Dietary Supplement Label Database (DSLD). Common products include Whey Protein, plant proteins, Branched-Chain Amino Acids (BCAAs), Creatine, L-Glutamine, Collagen, and L-Arginine. Use this page to compare protein source, amino acid profile, grams per serving, and percentage Daily Value (%DV) across labels. This information is provided for reference and education only and is not medical advice; consult a qualified healthcare provider before use.
Common active ingredients
L-Glutamine 1000 mg
NusaPure
L-Glutamine 1500
MRM
L-Glutamine 1500 mg
NOW Sports
L-Glutamine 1500 mg
GNC Pro Performance
L-Glutamine 1500 mg
GNC Pro Performance
L-Glutamine 1500 mg
NOW Sports
L-Glutamine 250 mg
Kirkman
L-Glutamine 2 grams
Jarrow Formulas
L-Glutamine 325
MRM Nutrition
L-Glutamine 500
DC
L-Glutamine 500
MRM Nutrition
L-Glutamine 500
DC
L-Glutamine 5000 mg
GNC Pro Performance
L-Glutamine 5000 mg
Lake Avenue Nutrition
L-Glutamine 5000 mg Unflavored
GNC Pro Performance
L-Glutamine 5000 mg Unflavored
GNC Pro Performance
L-Glutamine 5000 mg Unflavored
Muscle Empire
L-Glutamine 5000 mg Unflavored
Muscle Empire
L-Glutamine 5000 mg Unflavored
Jacked Factory Essential Series
L-Glutamine 500 mg
Spring Valley
L-Glutamine 500 mg
Solaray
L-Glutamine 500 mg
Pure Encapsulations
L-Glutamine 500 mg
AN Amazing Nutrition Amazing Formulas
L-Glutamine 500 mg
Wonder Laboratories